Journal
MEASUREMENT
Volume 74, Issue -, Pages 78-86Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.measurement.2015.06.019
Keywords
Remazol black B; Central composite design; ANFIS; Prediction; Multiple linear regression; Environmental sensing
Funding
- University of Malaya High Impact Research Grant from the Ministry of Higher Education Malaysia [HIR-MOHE-D000037-16001]
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The measurement and prediction of dye concentration is important in the design, planning and management of wastewater treatment. Soft computing techniques can be used as a support tool for analyzing data and making prediction. In this study, Central Composite Design (CCD) and adaptive neuro-fuzzy inference system (ANFIS) are employed to identify and predict the output intensity ratio of light that passes through a plastic optical fiber (POF) sensor in Remazol Black B (RBB) dye solution of different concentrations. The predictive performances of these models are compared to that of the traditional Multiple Linear Regression (MLR). The accuracies of MLR, CCD and ANFIS models are evaluated in terms of square correlation coefficient (R-2), root mean square error (RMSE), value accounted for (VAF), and mean absolute percentage error (MAPE) against the empirical data. It is found that the ANFIS model exhibits higher prediction accuracy than the MLR and CCD models. (C) 2015 Elsevier Ltd. All rights reserved.
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